import axios from 'axios'
import { MessageBox, Message } from 'element-ui'
import store from '@/store'
import router from '@/router'
import { getToken,removeToken } from '@/utils/auth'


// create an axios instance
const service = axios.create({
  baseURL:process.env.VUE_APP_BASE_API, // url = base url + request url
  // withCredentials: true, // send cookies when cross-domain requests
  timeout: 5000 // request timeout
})

// request interceptor
service.interceptors.request.use(
  config => {
    console.log(config,555);
    // do something before request is sent

    if (store.getters.token) {
      // let each request carry token
      // ['X-Token'] is a custom headers key
      // please modify it according to the actual situation
      // config.headers['Authorization'] = store.getters.token
      config.headers['Authorization'] ='Bearer '+ store.getters.token

    }
    return config
  },
  error => {
    // do something with request error
    console.log(error) // for debug
    return Promise.reject(error)
  }
)

// response interceptor
service.interceptors.response.use(
  /**
   * If you want to get http information such as headers or status
   * Please return  response => response
  */

  /**
   * Determine the request status by custom code
   * Here is just an example
   * You can also judge the status by HTTP Status Code
   */

  response => {
    const res = response.data
    if (res.success) {
      Message({
        message: res.message || 'success',
        type: 'success',
        duration: 5 * 1000,
      })
      return res
    } else {
      Message({
        message: res.message || 'Error',
        type: 'error',
        duration: 5 * 1000,
      })
      return Promise.reject(new Error(res.message||'Error'))
    }
    // const res = response.data

    // // if the custom code is not 20000, it is judged as an error.
    // if (res.code !== 20000) {
    //   Message({
    //     message: res.message || 'Error',
    //     type: 'error',
    //     duration: 5 * 1000
    //   })

    //   // 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
    //   if (res.code === 50008 || res.code === 50012 || res.code === 50014) {
    //     // to re-login
    //     MessageBox.confirm('You have been logged out, you can cancel to stay on this page, or log in again', 'Confirm logout', {
    //       confirmButtonText: 'Re-Login',
    //       cancelButtonText: 'Cancel',
    //       type: 'warning'
    //     }).then(() => {
    //       store.dispatch('user/resetToken').then(() => {
    //         location.reload()
    //       })
    //     })
    //   }
    //   return Promise.reject(new Error(res.message || 'Error'))
    // } else {
    //   return res
    // }
  },
  (error) => {
    // console.log('err' + error) // for debug
    // 根据状态码是否为10002  是10002:表示token失效
    if(error.response.data.code === 10002){
      // 表示token过期
      /* 
      1-实现退出的功能
        1-1 删除cookie
        1-2 删除vuex中的token
        1-3 跳转回登录页面
        1-4 解决bug不显示===实现刷新页面
       */
      removeToken() //删除cookie
       
      store.commit('user/RESET_STATE')
      // this.$router.push() 错误写法
      //console.log(router, 23)
      //  router===this.$router
      router.push('/login')
      window.location.reload() //实现刷新
    }
    Message({
      message: error.message,
      type: 'error',
      duration: 5 * 1000
    })
    return Promise.reject(error)
  },
) 

export default service
